Confined space work being performed in the tunnel without following approved tunnel entry procedures. A permit was issued to chip and  break  a damaged 1.2dia tunnel pipe between DGS 24 and Pump station.  persons in the tunnel without any possible tunnel collapse protection, no direct supervision, lighting and atmosphere testing in the confined space(Tunnel). A permit was issued but does not describe detailed work plan and hence failure to identify all hazards and control measeures. The Enginner was not informed of the remedial works in the tunnel.
Hazard category: Confined Spaces